1 clack in gallery 2
1 clack in gallery 3
1 clack in gallery 4
1 clack in gallery 5
1 clack in courtyard
Clack in courtyard reverb time (see Section 5 for discussion)
3 drum hits on top of broch, recorded in courtyard
3 hits iron bars in cell A, recorded in courtyard
3 whistle blows in cell A, recorded in courtyard
3 whistle blows in cell B, recorded in courtyard
3 drum hits in cell B, recorded in courtyard
3 hits iron bars in cell C, recorded in courtyard
